"Sierra means the world to me. Everything,” Snyder told 10News in an earlier interview. “Can’t even describe it in words."

TRUE LOVE | Teenager Sierra Siverio about to walk down the aisle. She's marrying her high school sweetheart, Dustin Snyder. He is battling a rare form of cancer: synovial sarcoma. @10NewsWTSPpic.twitter.com/pVuoJSQswm